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Index vein adds further evidence for cortical-spreading depression as the responsible mechanism in HaNDL and can be useful in distinguishing stroke mimics in the emergency setting.
Footnotes
Funding information and disclosures are provided at the end of the article. Full disclosure form information provided by the authors is available with the full text of this article at Neurology.org/cp.
- Received June 17, 2020.
- Accepted August 19, 2020.
- © 2021 American Academy of Neurology
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